In the future people can read books only _____ computers, not _____ paper.[ ]A. on; in B. on; on C.

题目简介

In the future people can read books only _____ computers, not _____ paper.[ ]A. on; in B. on; on C.

题目详情

In the future people can read books only _____ computers, not _____ paper.  
[     ]
A. on; in
B. on; on
C. in; on
D. in; in
题型:单选题难度:中档来源:同步题

答案

B

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